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Enzymes - Medical Science

Q1:

Which of the following (s) is/are serine proteases?

A Chymotrypsin

B Trypsin

C Elastase

D all of these

ANS:D - all of these

Serine proteasesare enzymes that cleave peptide bonds in proteins, in which serine serves as the nucleophilic amino acid at the (enzyme's) active site. They are found ubiquitously in both eukaryotes and prokaryotes.